Repairs completed on Chernobyl protective shell

Thursday, August 21, 2008

MOSCOW (RIA Novosti) - Atom­stroyexport, a Russian nuclear power construction company, said on Tuesday it had completed repairs on the concrete and steel shell encasing the Chernobyl reactor one month ahead of schedule.

The work involved repairs of an area around 420 square meters over the central part of the reactor's protective shelter.

"Despite the difficult conditions of radioactivity, the work was carried out to a high standard, with a high level of safety for personnel," Atomstroyexport said in a statement.

Atomstroyexport, as a leader of the Stabilization consortium that also includes Ukrainian companies, has carried out work on numerous occasions to reinforce the sarcophagus.

The latest repairs were managed by the European Bank for Reconstruction and Development (EBRD) and carried out as part of the Chernobyl Shelter Fund, a project aimed at building a new sarcophagus over the reactor at an estimated cost of around $1.2 billion. The EBRD has pledged $507 million toward the massive project.

Chernobyl was the site of the world's worst nuclear accident. On April 26, 1986, reactor number four at the Chernobyl nuclear power plant exploded following a test of the reactor. The explosion caused a fire, resulting in a critical nuclear meltdown.

Vast areas, mainly in the three then-Soviet republics of Ukraine, Belarus and Russia, were contaminated by the fallout of the explosion. More than 300,000 people were relocated after the accident. However, 5 million people still live in areas of the affected areas classified as "contaminated" by radioactive elements.

Estimates by international bodies as to the number of deaths caused by the Chernobyl accident vary dramatically. Fifty-six people were reported to have been killed at the scene of the disaster, and another 4,000 to have died of thyroid cancer shortly afterwards. Several million more are believed to have been exposed to radiation.

The disaster is thought to have released at least 100 times more radiation than the atomic bombs dropped on the Japanese cities of Nagasaki and Hiroshima in WWII.
Soviet authorities initially attempted to cover up both the scale of the accident and its consequences.

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